Surf Forecasts:
How big are the waves at Porth Ceriad today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 0.5ft (0.1m), 14s period with SW swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 2ft (0.6m), 5s period with NW swell.
- Evening surf: Evening surf (21 Aug, local time) - 0.5ft (0.1m), 13s period with SW swell.
The current surf forecast for Porth Ceriad at 6AM is: 0.1m 14s primary swell from a Southwest direction and 0.2m 6s secondary swell from a West-southwest direction (forecast issued at 12:00am August 21). An open ocean swell of 0.8m 5s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 0.5ft (0.1m) | 14s |
| Afternoon (21 Aug) | 2ft (0.6m) | 5s |
| Evening (21 Aug) | 0.5ft (0.1m) | 13s |
Table - waves today at Porth Ceriad. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Fri morning. Very mild (max 17°C on Fri afternoon, min 13°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | ||||||||||||||||||||||
1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SW 6 | SW 14 | SW 14 | W 14 | NW 5 | NW 5 | W 16 | W 16 | W 16 | W 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | WSW 13 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 9 | 8 | 7 | 7 | 28 | 17 | 7 | 7 | 7 | 7 | 10 | 9 | 8 | 9 | 8 | 8 | 8 | 9 | 8 | 8 | 8 | 7 | 7 | 16 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | cross-off | off | off | off | off | off | off | off | cross-off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | off | off |
High Tide | 2:38AM2.96m | 3:15PM2.85m | 4:06AM2.73m | 4:55PM2.79m | 5:42AM2.76m | 6:14PM2.97m | ||||||||||||||||||
Low Tide | 9:17AM1.59m | 10:04PM1.63m | 10:53AM1.71m | 00:05AM1.62m | 12:43PM1.59m | |||||||||||||||||||
 |  |  |  | | | |  | | |  | | | | | | | | | | | | | | |
 | — | 6:07 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:31 | — | — | — | — | — | — | — | 8:30 | — | — | — | — | — | — | — | 8:28 | — |
mm | — | — | — | 2 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 13 | 13 | 14 | 15 | 17 | 17 | 15 | 14 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 15 | 16 | 16 | 16 |
Feels °C | 8 | 8 | 9 | 10 | 11 | 15 | 12 | 11 | 11 | 10 | 10 | 9 | 10 | 9 | 9 | 11 | 11 | 11 | 11 | 12 | 13 | 13 | 13 | 14 |
Swell 1 Height (m) Direction Period (s) | SW 6 | WSW 6 | WSW 6 | WSW 6 | NW 5 | NW 5 | SW 6 | SW 6 | SW 13 | SW 13 | W 13 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | NNW 4 | N 4 | — | SW 14 | SW 14 | WSW 13 |
| kJ | 9 | 4 | 4 | 3 | 28 | 17 | 1 | 1 | 7 | 7 | 3 | 9 | 8 | 9 | 8 | 8 | 8 | 9 | 2 | 1 | — | 7 | 7 | 16 |
Swell 2 Height (m) Direction Period (s) | SW 14 | W 8 | SW 14 | SW 13 | WSW 6 | WSW 6 | SW 13 | SW 13 | SW 6 | SW 6 | SW 16 | W 6 | W 6 | SW 12 | W 12 | W 12 | SW 12 | SW 12 | SW 14 | SW 14 | SW 14 | W 9 | — | — |
| kJ | 8 | 1 | 7 | 7 | 3 | 3 | 7 | 7 | 1 | 1 | 10 | 1 | 1 | 6 | 3 | 3 | 6 | 6 | 8 | 8 | 8 | 2 | — | — |
Swell 3 Height (m) Direction Period (s) | W 14 | SW 14 | — | W 14 | SW 13 | SW 13 | W 16 | W 16 | W 16 | W 16 | W 6 | W 6 | W 10 | W 6 | — | W 12 | — | — | — | — | — | — | — | — |
| kJ | 4 | 8 | — | 4 | 7 | 7 | 5 | 5 | 5 | 5 | 1 | 1 | 2 | 1 | — | 3 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 4 | NNW 5 | NNW 5 | NW 5 | — | — | NNW 4 | NNW 4 | N 4 | NNW 4 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 4 | NNW 4 | NNW 5 | NNW 4 | — | — | NW 4 | NNW 4 | — | NNW 2 |
| kJ | 20 | 24 | 29 | 33 | — | — | 12 | 13 | 7 | 11 | 13 | 9 | 9 | 14 | 12 | 8 | 7 | 4 | — | — | 1 | 1 | — | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 138 | 125 | 125 | 138 | 308 | 308 | 189 | 125 | 200 | 186 | 133 | 133 | 189 | 308 | 306 | 189 | 133 | 133 | 189 | 130 | 113 | 270 | 254 | 141 |
Best forecast wave conditions in Lleyn Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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